12889904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:525

約数の個数: 40

約数和(自身を含む): 26598000

約数和(自身を除く): 13708096

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 109, 152, 218, 304, 389, 436, 778, 872, 1556, 1744, 2071, 3112, 4142, 6224, 7391, 8284, 14782, 16568, 29564, 33136, 42401, 59128, 84802, 118256, 169604, 339208, 678416, 805619, 1611238, 3222476, 6444952, 12889904]

約数ペア:

[(1, 12889904), (2, 6444952), (4, 3222476), (8, 1611238), (16, 805619), (19, 678416), (38, 339208), (76, 169604), (109, 118256), (152, 84802), (218, 59128), (304, 42401), (389, 33136), (436, 29564), (778, 16568), (872, 14782), (1556, 8284), (1744, 7391), (2071, 6224), (3112, 4142)]